body {
  font-family: system-ui, Arial, sans-serif;
  background: #f7f7f7;
  padding: 12px;
  margin: 0;
}

.logo {
  display: block;
  max-width: 120px;
  margin: 10px auto;
  opacity: 0.85;
}

h1, h2, p { text-align: center; }

button {
  width: 100%;
  padding: 14px;
  font-size: 1.1rem;
  margin: 10px 0;
  border-radius: 8px;
  border: none;
  background: #1976d2;
  color: white;
}

input {
  width: 100%;
  padding: 6px;
  font-size: 0.9rem;
  margin-top: 4px;
  border-radius: 6px;
  border: 1px solid #ccc;
}

.grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr); /* IMMER 5×5 */
  gap: 6px;
}

.cell {
  background: white;
  border-radius: 6px;
  padding: 6px;
  text-align: center;
  font-size: 0.75rem;
}

.cell strong {
  font-size: 0.7rem;
  display: block;
  margin-bottom: 4px;
}

.label {
  font-size: 0.65rem;
  color: #555;
  margin-bottom: 4px;
}

.value {
  font-weight: bold;
}

.share-box {
  display: none;
  background: white;
  padding: 10px;
  border-radius: 10px;
  text-align: center;
}

.bingo-input.free {
  font-style: italic;
}

.win {
  display: none;
  font-size: 2rem;
  color: #2e7d32;
  text-align: center;
  margin: 15px 0;
}

.saved-bingo {
  background: #fff;
  border-radius: 10px;
  padding: 8px;
  margin: 10px 0;
}